US8223863B2 - Method and arrangement in a cellular communications system - Google Patents
Method and arrangement in a cellular communications system Download PDFInfo
- Publication number
- US8223863B2 US8223863B2 US12/990,502 US99050208A US8223863B2 US 8223863 B2 US8223863 B2 US 8223863B2 US 99050208 A US99050208 A US 99050208A US 8223863 B2 US8223863 B2 US 8223863B2
- Authority
- US
- United States
- Prior art keywords
- sub
- frame
- power
- parameter
- ofdm symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000010267 cellular communication Effects 0.000 title 1
- 230000008054 signal transmission Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000001413 cellular effect Effects 0.000 claims abstract description 10
- 238000004904 shortening Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 3
- 230000001052 transient effect Effects 0.000 description 11
- 230000011664 signaling Effects 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000760358 Enodes Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Abstract
Description
-
- Ramping outside the timeslot/sub-frame as illustrated in
FIG. 2 a - Ramping inside the timeslot/sub-frame as illustrated in
FIG. 2 b - Ramping partly inside and partly outside the timeslot/sub-frame as illustrated in
FIG. 2 c
- Ramping outside the timeslot/sub-frame as illustrated in
-
- content of the signal to be transmitted in the sub-frame or OFDM symbol
- content of the signal to be transmitted in the successive sub-frame or OFDM symbol
- given conditions, e.g. traffic load
- network configuration, e.g. using reference signal based measurements for special purpose like scheduling, link adaptation and time tracking
- deployment scenarios, e.g. cell size.
Claims (30)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/990,502 US8223863B2 (en) | 2008-06-05 | 2008-12-18 | Method and arrangement in a cellular communications system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5916508P | 2008-06-05 | 2008-06-05 | |
PCT/SE2008/051494 WO2009148372A1 (en) | 2008-06-05 | 2008-12-18 | Method and arrangement in a cellular communications system |
US12/990,502 US8223863B2 (en) | 2008-06-05 | 2008-12-18 | Method and arrangement in a cellular communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
US20110051829A1 US20110051829A1 (en) | 2011-03-03 |
US8223863B2 true US8223863B2 (en) | 2012-07-17 |
Family
ID=40512202
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/990,502 Active US8223863B2 (en) | 2008-06-05 | 2008-12-18 | Method and arrangement in a cellular communications system |
US13/548,831 Abandoned US20120281775A1 (en) | 2008-06-05 | 2012-07-13 | Method and arrangement in a cellular communications system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/548,831 Abandoned US20120281775A1 (en) | 2008-06-05 | 2012-07-13 | Method and arrangement in a cellular communications system |
Country Status (22)
Country | Link |
---|---|
US (2) | US8223863B2 (en) |
EP (3) | EP2405695B1 (en) |
JP (10) | JP4951718B2 (en) |
KR (1) | KR101530411B1 (en) |
CN (2) | CN103974406B (en) |
AT (1) | ATE536069T1 (en) |
AU (1) | AU2008357514B2 (en) |
BR (1) | BRPI0822643B1 (en) |
CA (1) | CA2726818A1 (en) |
CO (1) | CO6351839A2 (en) |
ES (2) | ES2586383T3 (en) |
HK (2) | HK1157992A1 (en) |
IL (1) | IL209597A (en) |
MA (1) | MA32447B1 (en) |
MX (1) | MX2010012233A (en) |
MY (1) | MY149743A (en) |
NZ (1) | NZ588998A (en) |
PL (1) | PL2301285T5 (en) |
RU (1) | RU2010154440A (en) |
TW (3) | TWI552628B (en) |
WO (1) | WO2009148372A1 (en) |
ZA (1) | ZA201008047B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103974406B (en) * | 2008-06-05 | 2019-03-08 | 奥普蒂斯无线技术有限责任公司 | Method and apparatus in cellular communication system |
US9325555B2 (en) | 2012-02-24 | 2016-04-26 | Lg Electronics Inc. | Method and device for tracking synchronization |
US9763225B2 (en) * | 2013-10-07 | 2017-09-12 | Qualcomm Incorporated | LTE-U clear channel assessment operations |
US9295010B2 (en) * | 2013-10-11 | 2016-03-22 | Qualcomm Incorporated | Dynamic transmit power and signal shaping |
US9742443B2 (en) | 2015-09-08 | 2017-08-22 | Nxp B.V. | Pulse shaping for radio frequency transmitters |
WO2017142469A1 (en) * | 2016-02-17 | 2017-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Systems and methods of providing a guard interval for transmissions in a communication system |
PL3536050T3 (en) * | 2016-11-04 | 2022-11-14 | Telefonaktiebolaget Lm Ericsson (Publ) | On/off time mask for short tti |
US10368365B2 (en) | 2017-02-02 | 2019-07-30 | Qualcomm Incorporated | Time mask techniques for shortened transmission time intervals |
JP7027118B2 (en) | 2017-10-24 | 2022-03-01 | 株式会社Ihiプラント | How to build a jack support for a tank and a tank |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6430402B1 (en) * | 1998-09-14 | 2002-08-06 | Conexant Systems, Inc. | Power amplifier saturation prevention method, apparatus, and communication system incorporating the same |
US6625227B1 (en) | 1999-09-30 | 2003-09-23 | Ericsson Inc. | Artificial ramping of transmit power for burst transmissions |
US20040208157A1 (en) | 2001-10-22 | 2004-10-21 | Brian Sander | Multi-mode communications transmitter |
US7031677B2 (en) * | 2001-06-29 | 2006-04-18 | Infineon Technologies Ag | Optimization of the operating point of power amplifiers in mobile stations |
US20070230616A1 (en) * | 2006-03-31 | 2007-10-04 | Alireza Zolfaghari | Power control techniques for wireless transmitters |
US20080070510A1 (en) * | 2006-09-18 | 2008-03-20 | Nokia Corporation | Interference management techniques for wireless networks |
US20080280575A1 (en) * | 2007-05-11 | 2008-11-13 | Nokia Corporation | Transmitter emission control |
US20090066157A1 (en) * | 2006-08-05 | 2009-03-12 | Min Ming Tarng | Green Technology: Green circuit and device designs of green chip |
US7864885B2 (en) * | 2006-11-15 | 2011-01-04 | Samsung Electronics Co., Ltd. | Multiple input multiple output (MIMO) transceiver with pooled adaptive digital filtering |
US7907674B2 (en) * | 2007-02-14 | 2011-03-15 | Kabushiki Kaisha Toshiba | Orthogonal frequency division multiplexing (OFDM) signal receiver having reduced power consumption |
US7962109B1 (en) * | 2007-02-27 | 2011-06-14 | Rf Micro Devices, Inc. | Excess current and saturation detection and correction in a power amplifier |
US7962108B1 (en) * | 2006-03-29 | 2011-06-14 | Rf Micro Devices, Inc. | Adaptive AM/PM compensation |
US7986738B2 (en) * | 2007-10-19 | 2011-07-26 | Redpine Signals, Inc | Peak to average power ratio reduction apparatus and method for a wireless OFDM transmitter |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003152565A (en) * | 2001-11-13 | 2003-05-23 | Matsushita Electric Ind Co Ltd | Transmitter and transmitting method |
US7215972B2 (en) * | 2003-12-09 | 2007-05-08 | Freescale Semiconductor, Inc. | Adaptive transmit power control system |
CN101185262B (en) * | 2005-03-30 | 2011-04-20 | 飞思卡尔半导体公司 | Method and equipment for transmitting a sequence of transmission burst |
JP2005328572A (en) * | 2005-07-27 | 2005-11-24 | Fujitsu Ltd | Control device of amplifier and its control method |
CN1983854B (en) * | 2005-12-20 | 2010-05-19 | 威盛电子股份有限公司 | Transmitter for producing output power slope and control method thereof |
JP2007221655A (en) * | 2006-02-20 | 2007-08-30 | Oki Electric Ind Co Ltd | Radio unit and power control method thereof |
JP4614238B2 (en) * | 2006-07-14 | 2011-01-19 | ルネサスエレクトロニクス株式会社 | RF power amplifier |
CN103974406B (en) * | 2008-06-05 | 2019-03-08 | 奥普蒂斯无线技术有限责任公司 | Method and apparatus in cellular communication system |
-
2008
- 2008-12-18 CN CN201410170002.5A patent/CN103974406B/en active Active
- 2008-12-18 NZ NZ588998A patent/NZ588998A/en unknown
- 2008-12-18 BR BRPI0822643-1A patent/BRPI0822643B1/en active IP Right Grant
- 2008-12-18 WO PCT/SE2008/051494 patent/WO2009148372A1/en active Application Filing
- 2008-12-18 RU RU2010154440/07A patent/RU2010154440A/en not_active Application Discontinuation
- 2008-12-18 AU AU2008357514A patent/AU2008357514B2/en active Active
- 2008-12-18 ES ES11184349.6T patent/ES2586383T3/en active Active
- 2008-12-18 EP EP11184349.6A patent/EP2405695B1/en active Active
- 2008-12-18 ES ES08874563.3T patent/ES2375532T5/en active Active
- 2008-12-18 CN CN200880129696.0A patent/CN102057732B/en active Active
- 2008-12-18 PL PL08874563T patent/PL2301285T5/en unknown
- 2008-12-18 US US12/990,502 patent/US8223863B2/en active Active
- 2008-12-18 EP EP16173214.4A patent/EP3107338A1/en not_active Withdrawn
- 2008-12-18 KR KR1020117000118A patent/KR101530411B1/en active IP Right Grant
- 2008-12-18 CA CA2726818A patent/CA2726818A1/en not_active Abandoned
- 2008-12-18 EP EP08874563.3A patent/EP2301285B2/en active Active
- 2008-12-18 JP JP2011512408A patent/JP4951718B2/en active Active
- 2008-12-18 MX MX2010012233A patent/MX2010012233A/en active IP Right Grant
- 2008-12-18 AT AT08874563T patent/ATE536069T1/en active
- 2008-12-18 MY MYPI2010005435A patent/MY149743A/en unknown
-
2009
- 2009-06-04 TW TW103124614A patent/TWI552628B/en active
- 2009-06-04 TW TW105123658A patent/TWI635766B/en active
- 2009-06-04 TW TW098118597A patent/TWI457028B/en active
-
2010
- 2010-11-10 CO CO10140911A patent/CO6351839A2/en active IP Right Grant
- 2010-11-10 ZA ZA2010/08047A patent/ZA201008047B/en unknown
- 2010-11-28 IL IL209597A patent/IL209597A/en active IP Right Grant
-
2011
- 2011-01-03 MA MA33482A patent/MA32447B1/en unknown
- 2011-11-07 HK HK11112005.5A patent/HK1157992A1/en unknown
-
2012
- 2012-03-12 JP JP2012055048A patent/JP5460765B2/en active Active
- 2012-07-13 US US13/548,831 patent/US20120281775A1/en not_active Abandoned
-
2014
- 2014-01-14 JP JP2014004572A patent/JP5706010B2/en active Active
-
2015
- 2015-02-02 HK HK15101086.6A patent/HK1205847A1/en unknown
- 2015-02-25 JP JP2015035578A patent/JP5941571B2/en active Active
-
2016
- 2016-05-20 JP JP2016101926A patent/JP6181810B2/en active Active
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2017
- 2017-07-20 JP JP2017141196A patent/JP6377220B2/en active Active
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2018
- 2018-07-24 JP JP2018138556A patent/JP6546325B2/en active Active
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2019
- 2019-06-12 JP JP2019109566A patent/JP6872205B2/en active Active
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2021
- 2021-04-09 JP JP2021066683A patent/JP7071781B2/en active Active
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2022
- 2022-05-02 JP JP2022076168A patent/JP2022110030A/en active Pending
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6430402B1 (en) * | 1998-09-14 | 2002-08-06 | Conexant Systems, Inc. | Power amplifier saturation prevention method, apparatus, and communication system incorporating the same |
US6625227B1 (en) | 1999-09-30 | 2003-09-23 | Ericsson Inc. | Artificial ramping of transmit power for burst transmissions |
US7031677B2 (en) * | 2001-06-29 | 2006-04-18 | Infineon Technologies Ag | Optimization of the operating point of power amplifiers in mobile stations |
US20040208157A1 (en) | 2001-10-22 | 2004-10-21 | Brian Sander | Multi-mode communications transmitter |
US7158494B2 (en) * | 2001-10-22 | 2007-01-02 | Matsushita Electric Industrial Co., Ltd. | Multi-mode communications transmitter |
US7962108B1 (en) * | 2006-03-29 | 2011-06-14 | Rf Micro Devices, Inc. | Adaptive AM/PM compensation |
US20070230616A1 (en) * | 2006-03-31 | 2007-10-04 | Alireza Zolfaghari | Power control techniques for wireless transmitters |
US20090066157A1 (en) * | 2006-08-05 | 2009-03-12 | Min Ming Tarng | Green Technology: Green circuit and device designs of green chip |
US20080070510A1 (en) * | 2006-09-18 | 2008-03-20 | Nokia Corporation | Interference management techniques for wireless networks |
US7864885B2 (en) * | 2006-11-15 | 2011-01-04 | Samsung Electronics Co., Ltd. | Multiple input multiple output (MIMO) transceiver with pooled adaptive digital filtering |
US7907674B2 (en) * | 2007-02-14 | 2011-03-15 | Kabushiki Kaisha Toshiba | Orthogonal frequency division multiplexing (OFDM) signal receiver having reduced power consumption |
US7962109B1 (en) * | 2007-02-27 | 2011-06-14 | Rf Micro Devices, Inc. | Excess current and saturation detection and correction in a power amplifier |
US20080280575A1 (en) * | 2007-05-11 | 2008-11-13 | Nokia Corporation | Transmitter emission control |
US7986738B2 (en) * | 2007-10-19 | 2011-07-26 | Redpine Signals, Inc | Peak to average power ratio reduction apparatus and method for a wireless OFDM transmitter |
Non-Patent Citations (5)
Title |
---|
3GPP, "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; User Equipment (UE) Radio Transmission and Reception (FDD) (Release 9)," 3GPP TS 25.101 v9.5.0, Sep. 2010, pp. 1-246. |
3GPP, "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; User Equipment (UE) Radio Transmission and Reception (TDD) (Release 9)," 3GPP TS 25.102 v9.2.0, Sep. 2010, pp. 1-213. |
European Telecommunications Standards Institute, "Digital Cellular Telecommunications System (Phase 2+); Radio Transmission and Receipt (GSM 05.05 version 5.8.0); Draft pr ETS 300 910," vol. SMG2, Fifth Edition, May 1998, pp. 1-49, Cedex, France. |
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International Search Report for PCT/SE2008/051494 mailed Apr. 17, 2009. |
Also Published As
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Legal Events
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AS | Assignment |
Owner name: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL), SWEDEN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BERGLJUNG, CHRISTIAN;CHEN, MING;KAZMI, MUHAMMAD;AND OTHERS;SIGNING DATES FROM 20081218 TO 20090317;REEL/FRAME:025239/0270 |
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AS | Assignment |
Owner name: HIGHBRIDGE PRINCIPAL STRATEGIES, LLC, AS COLLATERA Free format text: LIEN;ASSIGNOR:OPTIS WIRELESS TECHNOLOGY, LLC;REEL/FRAME:032180/0115 Effective date: 20140116 |
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Owner name: OPTIS WIRELESS TECHNOLOGY, LLC, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CLUSTER, LLC;REEL/FRAME:032286/0501 Effective date: 20140116 Owner name: CLUSTER, LLC, DELAWARE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TELEFONAKTIEBOLAGET L M ERICSSON (PUBL);REEL/FRAME:032285/0421 Effective date: 20140116 |
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